56563-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56563-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,6 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56563-74:
(7*5)+(6*6)+(5*5)+(4*6)+(3*3)+(2*7)+(1*4)=147
147 % 10 = 7
So 56563-74-7 is a valid CAS Registry Number.